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Cisco 10000 Series Router Quality of Service Configuration Guide
OL-7433-09
Chapter 7 Marking Traffic
Configuring Traffic Marking
Router(config-pmap)# class Voice
Router(config-pmap-c)# priority
Router(config-pmap-c)# police 8000 600 400 conform-action transmit exceed-action drop
violate-action drop
Router(config-pmap-c)# exit
Router(config-pmap)# exit
Router(config)# interface GigabitEthernet 1/0/0
Router(config-if)# service-policy output Platinum
Configuring Class of Service Marking
To mark the Layer 2 class of service (CoS) field in the 802.1p header of outbound packets, enter the
following commands beginning in global configuration mode:
Command Purpose
Step 1
Router(config)# policy-map policy-map-name
Specifies the name of the policy map and enters policy-map
configuration mode.
policy-map-name is the name of the policy map.
Step 2
Router(config-pmap)# class class-map-name
Assigns the traffic class you specify to the policy map. Enters
policy-map class configuration mode.
class-map-name is the name of a previously configured class
map and is the traffic class for which you want to define QoS
actions.
Step 3
Router(config-pmap-c)# set cos cos-value
Sets the Layer 2 class of service (CoS) value of an outbound
packet.
cos-value is a specific IEEE 802.1Q CoS value from 0 to 7.
Step 4
Router(config-pmap-c)# exit
Exits policy-map class configuration mode.
Step 5
Router(config-pmap)# exit
Exits policy-map configuration mode.
Step 6
Router(config)# interface type number
Specifies the interface to which you want to attach the service
policy map. Enters interface configuration mode.
type is the type of interface (for example, serial).
number is the number of the interface (for example, 1/0/0).
Step 7
Router(config-if)# service-policy output
policy-map-name
Attaches the policy map you specify to the interface. The
router applies the service policy to packets on the interface in
either the input or output direction.
output indicates to apply the service policy to outbound
packets.
policy-map-name is the name of the policy map.
Note You can attach a service policy containing the set cos
command to only an outbound VLAN interface. The
router cannot apply the set cos command to inbound
packets.
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